Gratianopolis was an ancient city and Roman Catholic diocese in Mauretania Caesariensis in present-day Algeria. It was one of several towns named after the Roman emperor Gratian (367 to 383), and is only known from mentions in church council minutes. Its history, location and present condition are unknown. The name survives as a Roman Catholic titular see, and since 1911 has been the title of the Greek Catholic Apostolic Exarchate.
Gratianopolis was important enough in the Roman province of Mauretania Caesariensis to become the seat of the Catholic bishop.
It had two recorded bishops who attended church councils in the 5th century:
The diocese ceased to exist with the coming of Islam in the 7th century, and Gratianopolis is not mentioned in a list of dioceses in the sixth and seventh centuries. [1]
From 1652, the diocese was restored as a Catholic titular bishopric of Gratianopolis.
The following people were given the title, Bishop of Gratianopolis: [2]
This article incorporates text from a publication now in the public domain : Herbermann, Charles, ed. (1913). "Gratianopolis". Catholic Encyclopedia . New York: Robert Appleton Company.
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